Prepare master branch.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

.travis.yml

@@ -2,7 +2,6 @@ dist: bionic
 language: php
 
 php:
-  - 7.2
   - 7.3
   - 7.4
 
@@ -33,7 +32,7 @@ after_script:
 
 matrix:
   include:
-    - php: 7.2
+    - php: 7.3
       env: setup=coveralls coverage=yes
   allow_failures:
     - php: nightly

README.md

@@ -3,12 +3,12 @@ Messages Component for Laravel and Orchestra Platform
 
 Messages Component bring a unified notification support for Laravel and Orchestra Platform.
 
-[![Build Status](https://travis-ci.org/orchestral/messages.svg?branch=5.x)](https://travis-ci.org/orchestral/messages)
+[![Build Status](https://travis-ci.org/orchestral/messages.svg?branch=master)](https://travis-ci.org/orchestral/messages)
 [![Latest Stable Version](https://poser.pugx.org/orchestra/messages/version)](https://packagist.org/packages/orchestra/messages)
 [![Total Downloads](https://poser.pugx.org/orchestra/messages/downloads)](https://packagist.org/packages/orchestra/messages)
 [![Latest Unstable Version](https://poser.pugx.org/orchestra/messages/v/unstable)](//packagist.org/packages/orchestra/messages)
 [![License](https://poser.pugx.org/orchestra/messages/license)](https://packagist.org/packages/orchestra/messages)
-[![Coverage Status](https://coveralls.io/repos/github/orchestral/messages/badge.svg?branch=5.x)](https://coveralls.io/github/orchestral/messages?branch=5.x)
+[![Coverage Status](https://coveralls.io/repos/github/orchestral/messages/badge.svg?branch=master)](https://coveralls.io/github/orchestral/messages?branch=master)
 
 ## Table of Content
 

composer.json

@@ -25,12 +25,12 @@
         }
     },
     "require": {
-        "php": ">=7.2",
-        "orchestra/contracts": "^5.0",
-        "orchestra/support": "^5.0"
+        "php": ">=7.3",
+        "orchestra/contracts": "^6.0",
+        "orchestra/support": "^6.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^5.0"
+        "orchestra/testbench": "^6.0"
     },
     "extra": {
         "branch-alias": {